S1·E154 Don't Die! Ryoko's Special Straw Doll!!

Ryoko harnesses the power of voodoo and gives Ataru a voodoo doll effigy of her brother Shutaro, who unintentionally hurts him without realizing it. Shutaro now must do everything to prevent Ataru from finding out that the voodoo doll is of him, while trying to avoid himself in the process.